Bumpup fabric8 kubernetes clients to 5.6.0

Change-Id: I4b6665da030834125ed80b3f0ea2715603eedf71
diff --git a/apps/kubevirt-networking/api/BUILD b/apps/kubevirt-networking/api/BUILD
index e4264cc..65f7d71 100644
--- a/apps/kubevirt-networking/api/BUILD
+++ b/apps/kubevirt-networking/api/BUILD
@@ -12,6 +12,7 @@
     "@k8s_model_certificates//jar",
     "@k8s_model_coordination//jar",
     "@k8s_model_discovery//jar",
+    "@k8s_model_flowcontrol//jar",
     "@k8s_model_metrics//jar",
     "@k8s_model_scheduling//jar",
     "@k8s_model_storageclass//jar",